Here is the full list of all 70 Kynseed achievements.
Learn all the skills from all the masters
Unlock all the perks for a shop
Clear the story task The Jabberwock
Clear the story task Charming The Wrym
Travel to Voide
Learn all the skills from a master
Rejuvenate a beloved animal
Clear the story task Fool Me Twice
Clear the story task A Missing Child
Clear the story task Third Time Lucky
Defeat an elite monster
Clear the story task Burying The Past
Get married
Gift a villager all of their liked items
Clear Toughwood
Clear Toughwood after traveling as deep as you can
Clear the story task The Encounter
Craft your first 5 star cure
Give an NPC a disliked item for their birthday
Clear Midwood
Clear Midwood after traveling as deep as you can
Fight during a Blood Moon
Win one of the top 3 prizes in Squeal or No Squeal
Clear the story task The Unwell
Pick a flower during a Flower Bloom
Cook a 5 star meal
Travel to Evergreen
Specialise your shop
Travel to Tir Na Nog
Clear the story task Murder Most Fowl
Take an egg from a Chicken Migration
Have a baby / adopt
Clear Simplewood after traveling as deep as you can
Clear Simplewood
Forge a 5 star item
Become Friendly with a villager
Witness a Lucky Lucky Star
Purchase an item from the Ghost Trader
Purchase a shop
Complete the Prologue
Purchase your first Fairweather item
Travel to Briar
Receive a 5 star boon from a Goddess
Win an auction
Cook your first meal
Craft your first cure
Make an offering to the Goddesses
Forge your first item
Learn a skill from a master
Perform a favour or notice board task for an NPC
Gift a villager one of their liked items
Encourage a villager to Like you
Form a bond of Love with a villager
Discover all the map stones at a single location
Pass on the Kynseed
Discover all the map stones at every location
Discover all the date spots
Win the top prize on Marble Toss
Win a village competition
Visit one of the secret markets
Attend the Summertide event for a second time
Take part in a dance
Plant 3 magic beans
Receive an item from a ghost during the Spirit Walk
Strike Fred Barleycorn
Witness Tickling Tom Hookfingers scaring a villager
Fight during an Eclipse
Catch a fish during a Fish Frenzy
Pick a mushroom during a Mushroom Sporing
Mine some ore during an Ore Rush